Scaling Multiagent Systems with Process Rewards · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/2601.23228/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:27:26 GMTScaling Multiagent Systems with Process Rewards — HN submissionhttps://news.ycombinator.com/item?id=46889889urn:hackerpapers:submission:2601.23228:46889889Wed, 04 Feb 2026 18:45:55 GMT<p>Mappa – Fine-tune ANY multi-agent LLM systems end-to-end with AI coaches</p><p>Blog: https://ltjed.github.io/MAPPA/ Paper: https://arxiv.org/abs/2601.23228 Code: https://github.com/ltjed/multiagent-coaching Twitter: https://x.com/t_ed_li/status/2019114121250370021</p><p>3 points; 2 discussion replies on HN. <a href="https://hackerpaper.kaipfister.de/p/2601.23228/">Paper and source history</a>. A submission is not an endorsement.</p>cs.AI